AU4879690A - Apparatus for measuring a liquid specimen - Google Patents

Apparatus for measuring a liquid specimen

Info

Publication number
AU4879690A
AU4879690A AU48796/90A AU4879690A AU4879690A AU 4879690 A AU4879690 A AU 4879690A AU 48796/90 A AU48796/90 A AU 48796/90A AU 4879690 A AU4879690 A AU 4879690A AU 4879690 A AU4879690 A AU 4879690A
Authority
AU
Australia
Prior art keywords
measuring
liquid specimen
specimen
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU48796/90A
Other versions
AU623482B2 (en
Inventor
Takahito Hukuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sysmex Corp
Original Assignee
Sysmex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sysmex Corp filed Critical Sysmex Corp
Publication of AU4879690A publication Critical patent/AU4879690A/en
Application granted granted Critical
Publication of AU623482B2 publication Critical patent/AU623482B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
    • G01N35/1097—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers characterised by the valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details
    • G01N2015/133—Flow forming
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N2015/135—Electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Sampling And Sample Adjustment (AREA)
AU48796/90A 1989-01-26 1990-01-24 Apparatus for measuring a liquid specimen Ceased AU623482B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989007912U JPH0622203Y2 (en) 1989-01-26 1989-01-26 Sample measuring device
JP1-7912 1989-01-26

Publications (2)

Publication Number Publication Date
AU4879690A true AU4879690A (en) 1990-08-02
AU623482B2 AU623482B2 (en) 1992-05-14

Family

ID=11678755

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48796/90A Ceased AU623482B2 (en) 1989-01-26 1990-01-24 Apparatus for measuring a liquid specimen

Country Status (5)

Country Link
US (1) US5007296A (en)
EP (1) EP0384789A3 (en)
JP (1) JPH0622203Y2 (en)
AU (1) AU623482B2 (en)
CA (1) CA2009160C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
GB9526652D0 (en) * 1995-12-29 1996-02-28 Shine Thomas A Electrode assembly
SE507956C2 (en) * 1996-11-20 1998-08-03 Medonic Ab Dilution and measuring device for particle counting
SE515424C2 (en) * 1997-07-01 2001-07-30 Boule Medical Ab Disposable sampling device for a particle counter
US6122599A (en) * 1998-02-13 2000-09-19 Mehta; Shailesh Apparatus and method for analyzing particles

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049118A (en) * 1961-02-03 1962-08-14 Beckman Instruments Inc Ion electrode assembly
US3197644A (en) * 1962-12-26 1965-07-27 Jr Thomas J Etzrodt Photosensitive apparatus for measurement of color density
NL137000C (en) * 1964-03-26
US3475128A (en) * 1966-04-08 1969-10-28 Bio Science Labor Fluid processing apparatus and methods
US3743424A (en) * 1970-11-19 1973-07-03 Coulter Electronics Combined electronic and optical method and apparatus for analyzing liquid samples
US3902115A (en) * 1973-09-26 1975-08-26 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor
US3948607A (en) * 1974-08-22 1976-04-06 The Perkin-Elmer Corporation Transfer system for use in analysis apparatus
US4218610A (en) * 1976-04-28 1980-08-19 J. T. Baker Chemical Co. Automatic blood analyzing system
US4103229A (en) * 1977-01-28 1978-07-25 The University Of Virginia Continuous-flow, resistive-particle counting apparatus
US4090128A (en) * 1977-02-15 1978-05-16 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
US4172770A (en) * 1978-03-27 1979-10-30 Technicon Instruments Corporation Flow-through electrochemical system analytical method
IT1158880B (en) * 1978-07-05 1987-02-25 Sclavo Inst Sieroterapeut DEVICE FOR PERFORMING MEASUREMENTS ON FLUIDS DIRECTLY IN THE SAMPLE COLLECTION CONTAINER
US4218197A (en) * 1978-07-06 1980-08-19 Beckman Instruments, Inc. Combined peristaltic pump and valve flow controller
US4240438A (en) * 1978-10-02 1980-12-23 Wisconsin Alumni Research Foundation Method for monitoring blood glucose levels and elements
JPS5613266A (en) * 1979-07-12 1981-02-09 Yamaha Motor Co Ltd Method of mounting engine
DE3017774A1 (en) * 1980-05-09 1981-11-26 Walter 8190 Wolfratshausen Zinkl Light transmission measurement of defined flow sections - is done during measurement periods defined by measurement of electrical conductivity
JPS5918439A (en) * 1982-07-09 1984-01-30 ク−ルタ−・エレクトロニクス・インコ−ポレ−テツド Particle analyzer
US4553552A (en) * 1984-02-21 1985-11-19 Valdespino Joseph M Hemodialysis meter
JPS6232351A (en) * 1985-08-06 1987-02-12 Nok Corp Enzyme sensor
US4760328A (en) * 1986-05-05 1988-07-26 Integrated Ionics, Inc. Particle counter having electrodes and circuitry mounted on the pane of the orifice
EP0275409B1 (en) * 1986-05-28 1993-06-23 Sumitomo Electric Industries Limited Particle analyzer and a system utilizing the same
US4926702A (en) * 1987-09-18 1990-05-22 Beckman Instruments, Inc. Sample presence detector for automatic sample injector
US4929426A (en) * 1987-11-02 1990-05-29 Biologix, Inc. Portable blood chemistry measuring apparatus

Also Published As

Publication number Publication date
AU623482B2 (en) 1992-05-14
US5007296A (en) 1991-04-16
EP0384789A3 (en) 1990-10-03
CA2009160C (en) 1995-06-13
JPH0622203Y2 (en) 1994-06-08
CA2009160A1 (en) 1990-07-26
JPH0299339U (en) 1990-08-08
EP0384789A2 (en) 1990-08-29

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired